Shanequia McDonald, shown with activist Quanell X
during a news conference on Tuesday, says she felt threatened by a man carrying a knife and sexually harassing her.

Photo: Mayra Beltran, Houston Chronicle

Shanequia McDonald, shown with activist Quanell X during a news...

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Shanequia McDonald, surrounded by friends, confers Tuesday with Quanell X before a news conference where the community activist described a fatal gas station shooting as a "classic stand your ground" case.

A south Houston woman said she was only protecting herself when she fatally shot a man at a service station.

"I didn't intend to hurt or harm anyone. I just went to the gas station to get gas," Shanequia McDonald said on Tuesday.

McDonald told Houston police she shot Lewis Daniel shortly after 7 p.m. Sunday at a Gulf station in the 6800 block of Cullen, between Griggs and the South Loop. The case will go to the Harris County grand jury to decide if any charges will be filed.

"She left for her own safety. She was afraid that some of those who were sitting with (Daniel) were going to harm her," Quanell said.

The activist said the shooting was a case where Texas' self-defense and stand your ground laws were justified.

Quanell has led recent marches in Houston to protest the not-guilty verdict a Florida jury returned in the 2012 shooting death of Trayvon Martin, but said McDonald cannot be compared to the man acquitted of killing the 17-year-old Martin.